Question

Tf-idf is a common methodology used in pre-processing of images true or false

Answer 1

The given statement is true.

TF- IDF stands for Term Frequency- Inverse Domain Frequency.It is one of the most commonly used retrieval techniques for pre- processing of an image.It is mostly used to enhance abstraction, reduce conflicting facts and primarily for model simplification.It uses a weighing factor to search the relevant information from a pool of stored facts and datas.

Answer 2

Explanation:

This is a false statement. TF-IDF actually means frequency-inverse document frequency. It is a form of statistics that shows the importance of the word to a document. this statistics is often used in the process of the retrieval of major information as a weight factor. This process is also used in major areas like user modelling and text refining. It is one of the widely used schemes of weighting.